Poly String & Button Interoffice Envelopes, String & Button Closure, 9.75 X 11.63, Transparent Blue, 5/pack - IVSSMD89542

Heavy-duty poly envelopes resist tears, repel moisture and is easy to clean. Available in bright translucent colors for easy organization. Gusset expands up to 1.25" to accommodate bulkier materials. Heavy-duty string and button closure is designed for everyday use. Acid-free, PVC-free. Top Load—Vertical orientation. Seam Type: Weld; Flap Type: Cheese Blade; Security Tinted: No; Opening: Open End.